Features: 4 Angle Adjustment: Offers four versatile angle settings ideal for sharpening a wide range of tools, including scissors, planers, and chisels. High-Quality Construction: Crafted from durable aluminum alloy and stainless steel with an iron gray anodized finish, ensuring efficient performance and durability. Large Sharpening Capacity: Accommodates sharpening stones up to 250 x 90 x 50mm and tools with a thickness up to 8mm, perfect for extensive sharpening tasks. Non-Electric Convenience: Operates manually without the need for electricity, providing flexibility and ease of use in any setting. Maintenance Recommendation: Includes thorough guidelines for maintaining the tool, such as using an electric blower for drying, inspecting for debris, and oiling to prevent rust and ensure smooth operation. Specifications: Optional Sizes: 320mm or 420mm Material: Aluminum alloy and stainless steel Treatment: Iron gray anodized finish Maximum Sharpening Stone Size: 250 x 90 x 50mm Maximum Tool Thickness: 8mm Weight: 1135g Package Included: Type A: 1 x Aluminum Knife Sharpening Tool Set (320mm) Type B: 1 x Aluminum Knife Sharpening Tool Set (420mm)